Three Way Electrical Switch Wiring Diagram

This is the 3 wire cable which you must have to wire a 3 way.

Three way electrical switch wiring diagram.

In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. In the above diagram the white wire must be re identified as a hot wire at each switch location. The white wire between switches is not being used as a neutral. How would this be wired.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Building a new workshop that is detached from home. Wiring a 3 way light switch. Typical 3 way switch wiring nm cable.

A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Diy electrical wiring a 3 way switch. 3 way switch wiring diagram with line and load in the same switch box. With these diagrams below it will take the guess work out of wiring.

An example of three way switch wiring with the line and load in the same 4 square electrical box. Traveler wires are interchangeable. The black line wire connects to the common terminal of the first 3 way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.

Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. This might seem intimidating but it does not have to be. Three way switch diagrams fully explained wiring 3way switches 3 way switches are a convenient way to operate lighting fixtures from two locations. Take a closer look at a 3 way switch wiring diagram.